When summer’s bounty of bugs, seeds, and nectar starts to wane, most birds in Colorado seek warmer climes with good food to offer. But one group of birds sticks it out year-round, subsisting on ...

From the surgical services of the Massachusetts General Hospital. † Assistant in surgery, Harvard Medical School; assistant in surgery, Massachusetts General Hospital. ‡ Assistant in surgery ...

More than 90% of methane emissions in ruminants occur in the rumen, while the hindgut, especially the cecum, is known for its low methane production, though its microbial processes remain largely ...

cecum stock videos & royalty-free footage The human gastrointestinal tract (GI tract) is an organ system responsible for consuming and digesting foodstuffs, absorbing nutrients, and expelling waste.

2019b; Tang et al., 2020). Moreover, the Treponema in cecum has been reported to be associated with feed conversion (Quan et al., 2018). The Prevotellaceae ucg-001 in cecum is positively correlated ...